Levven Wireless 10-amp Multi-location Light Switch, in the Light Switches department at Lowes.com
Self-powered Wireless Switch (433Mhz) | The Pi Hut
White Ding Dong Ahuja Long Range Cordless Switch, Home Office School
Radio Controlled Remote Switch Teleswitch | Ritron Wireless Solutions
Wireless Remote Control Light Switch – Armacost Lighting
Battery Operated Switch LED Lights, Portable Tap Light, Push Closet Light, COB LED Cordless Night Lights, Touch, Wall Mount Under Cabinet, Shed, Kitchen, Garage, Attic, RV(6 Pack) - Amazon.com